Bottle portion



FIG. 1 is a perspective view of a bottle portion embodying a new design;

FIG. 2 is a front elevational view of the bottle portion depicted in FIG. 1, the side and rear elevational views being identical;

FIG. 3 is a top plan view of the bottle portion depicted in FIG. 2; and,

FIG. 4 is a bottom plan view of the bottle portion depicted in FIG. 2.

The broken line environmental showing is for illustrative purposes only and does not form part of the claimed design. 

The ornamental design for a bottle portion, as shown and described. 